tests/headers.at

   1 # Bison Parser Headers.                               -*- Autotest -*-
   2
   3 # Copyright (C) 2001-2002, 2006-2007, 2009-2012 Free Software
   4 # Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 AT_BANNER([[Parser Headers.]])
  20
  21
  22 ## ---------------------- ##
  23 ## %union and --defines.  ##
  24 ## ---------------------- ##
  25
  26
  27 AT_SETUP([%union and --defines])
  28
  29 AT_DATA([input.y],
  30 [%union
  31 {
  32   int   integer;
  33   char *string ;
  34 }
  35 %%
  36 exp: {};
  37 ])
  38
  39 AT_BISON_CHECK([--defines input.y])
  40
  41 AT_CLEANUP
  42
  43
  44
  45 ## --------------------- ##
  46 ## Invalid CPP headers.  ##
  47 ## --------------------- ##
  48
  49 # AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
  50 # --------------------------------------------
  51 # FIXME: Much of this can be covered by calc.at.
  52 m4_define([AT_TEST_CPP_GUARD_H],
  53 [AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
  54
  55 # Possibly create inner directories.
  56 dirname=`AS_DIRNAME([$1])`
  57 AS_MKDIR_P([$dirname])
  58
  59 AT_DATA_GRAMMAR([$1.y],
  60 [$2
  61 %{
  62 #include <$1.h>
  63 void yyerror (const char *);
  64 int yylex (void);
  65 %}
  66 %%
  67 dummy:;
  68 %%
  69 #include <$1.h>
  70 ])
  71
  72 AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
  73
  74 AT_COMPILE([$1.o], [-I. -c $1.c])
  75
  76 AT_CLEANUP
  77 ])
  78
  79 AT_TEST_CPP_GUARD_H([input/input])
  80 AT_TEST_CPP_GUARD_H([9foo])
  81 AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
  82 AT_TEST_CPP_GUARD_H([9foo],        [%glr-parser])
  83
  84
  85
  86 ## ---------------- ##
  87 ## export YYLTYPE.  ##
  88 ## ---------------- ##
  89
  90
  91 AT_SETUP([export YYLTYPE])
  92
  93 AT_DATA_GRAMMAR([input.y],
  94 [%locations
  95
  96 %name-prefix "my_"
  97 %{
  98 #include <stdio.h>
  99 #include <stdlib.h>
 100
 101 static int
 102 my_lex (void)
 103 {
 104   return EOF;
 105 }
 106
 107 static void
 108 my_error (const char *msg)
 109 {
 110   fprintf (stderr, "%s\n", msg);
 111 }
 112
 113 %}
 114 %%
 115 exp:;
 116 ])
 117
 118 AT_BISON_CHECK([--defines -o input.c input.y])
 119
 120 # YYLTYPE should be defined, and MY_LLOC declared.
 121 AT_DATA([caller.c],
 122 [[#include "input.h"
 123 YYLTYPE *my_llocp = &my_lloc;
 124
 125 int my_parse (void);
 126
 127 int
 128 main (void)
 129 {
 130   return my_parse ();
 131 }
 132 ]])
 133
 134 # Link and execute, just to make sure everything is fine (and in
 135 # particular, that MY_LLOC is indeed defined somewhere).
 136 AT_COMPILE([caller.o], [-c caller.c])
 137 AT_COMPILE([input.o], [-c input.c])
 138 AT_COMPILE([caller], [caller.o input.o])
 139 AT_PARSER_CHECK([./caller])
 140
 141 AT_CLEANUP